\noindent Copyright \copyright\ 2008--2010 Dale Hoffman, William Stein, David Joyner \\\\
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3
or any later version published by the Free Software Foundation;
with no Invariant Sections, no Front-Cover Texts, and no
Back-Cover Texts. A copy of the license is included in the section
entitled ``GNU Free Documentation License''.
